cars = ['bmw', 'audi', 'toyota', 'subaru']

print("Here is the original list:")
print(cars)

# sort():永久性排序 sorted()：临时性排序
print("\nHere is the sorted list:")
print(sorted(cars))
# cars.sort()
# print(cars)

print("\nHere is the original list again:")
print(cars)
